Cross?Margin Quantitative Model Developer - NC

Job#: 3026529

Job Description:
Client: Financial Services
Team: TBA
Job Title: Quantitative Analytics Specialist 4 - Cross-Margin Quantitative Model Developer
Location: Charlotte, NC (550 S Tryon St) - Hybrid, 3 days onsite
Contract Length: 12 months (Potential to Extend)
Location Tier: Zone 2
Bill Rate: $81 - $87
Top Requirements (Must Haves):

5+ years Quantitative Analytics experience

Deep cross-margining expertise within prime brokerage or derivatives clearing (?50% of skill weighting)

Strong mathematical & modeling ability (?30% skill weighting)

• Deriving formulas
• Stochastic modeling
• Understanding capital markets model foundations

Expert-level Python engineering for quant model development (?20% skill weighting)

• Building structured quantitative libraries
• Experience using AI-assisted coding tools (e.g., Copilot)

Strong SQL for data extraction and validation

Experience improving, rebuilding, or replacing legacy quant models

Ability to respond quickly to ad-hoc model enhancement requests

Experience working in large, fast-moving capital markets or CIB environments

Nice to Have:

Experience with counterparty credit exposure models (PFE, EE, EAD)

Familiarity with prime brokerage product sets related to cross-margining

Exposure to equity swaps, metals, energy derivatives, convertible bonds

Experience in model risk management, model documentation, or model validation

Located in Charlotte, NC (preferred due to existing team members)

Job Summary:

The Quantitative Analytics Specialist 4 will serve as a senior model developer focused on cross-margin counterparty credit risk methodologies. The role involves designing, enhancing, and maintaining advanced quantitative models that calculate exposure across multiple product classes. The engineer will work across Python modeling libraries, SQL datasets, and stochastic model frameworks to modernize legacy methodologies and support high-impact CIB decision-making.

This is not a pricing or market-risk model role - it specifically supports counterparty credit risk and cross-margin exposure, which are highly visible and time-sensitive components of the firm's risk analytics.
Day-to-Day Responsibilities:
Modeling & Quantitative Analysis

Develop and enhance cross-margining counterparty risk models

Derive mathematical formulas and validate quantitative assumptions

Identify model gaps, inconsistencies, and outdated logic

Implement stochastic or capital markets techniques to improve accuracy

Support modeling across:

- Equity swaps

- Metals

- Energy derivatives

- Convertible bonds
Python-Based Technical Development

Build and maintain Python quant libraries

Produce robust prototype models, then partner with tech teams for productionization

Use AI-enabled coding tools (e.g., Copilot) to accelerate development

Perform SQL-based data extraction, validation, and analysis
Cross-Functional Collaboration

Support model owners, business stakeholders, auditors, and PMs

Translate business and technical concepts into model specifications

Provide mentorship and knowledge-sharing to junior team members
Operational Readiness

Respond quickly to urgent model-related requests

Ensure timely delivery of enhancements and model documentation

Support model validation and audit needs

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.